Amy M. Zajac, NP
Acute Care Nurse Practitioner · Springfield, MA
Amy M. Zajac, NP is an acute care nurse practitioner with a practice address in Springfield, Massachusetts, and NPI 1629397054, issued on May 25, 2010. Check the license (Massachusetts 251126, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy M. Zajac
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 251126 MA
Self-reported in NPPES; status is on the state search - Practice location
- 2 Medical Center Dr, Springfield, MA 01107
- Phone
- (413) 794-8050
- Enumerated
- May 25, 2010
- Record last updated
- Aug 31, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (413) 794-8054
- Medicare enrollment
- Enrolled (PECOS I20101122000735); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2010
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →
Also registered at 2 Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Maria Aquadro, NPFamily Nurse Practitioner1124353040
- Mary Barber, CNMAdvanced Practice Midwife1962502906
- Julie Bell, CNMAdvanced Practice Midwife1245274539
Verify Amy M. Zajac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 251126Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
192 Medicare Part D claims for 73 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 66 claims were for opioids.
Most prescribed
- Oxycodone Hcl59 claims
- Gabapentin41 claims
- Celecoxib27 claims
- Metoprolol Tartrate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Baystate Medical Practices IncSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy M. Zajac among 598 acute care nurse practitioner records in Massachusetts
Amy M. Zajac, NP is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 28% of them.
- NPI issued2010 · 28% of these records are older, 69% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2016 among the 341 with a school on file
- Record last updated2011 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Massachusetts
There are 598 acute care nurse practitioner records in Massachusetts.
All 598 in Massachusetts → Every provider in Springfield → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Danielle Beaulieu, NPSpringfield, MA 011071306810924
- John-Michael Cycz, AGANCP-BCSpringfield, MA 011071326448036
- Anthony Fortunato, NPSpringfield, MA 011071386876126
- Ann Franczyk, NPSpringfield, MA 011071336139575
- Mary Galdauskas, NPSpringfield, MA 011071215095070
- Rose Manarite, NPSpringfield, MA 011071285642587
- Mary Marvel, NPSpringfield, MA 011071386071439
- Kathryn Montagna, NPSpringfield, MA 011071295041978
Common questions
What is Amy M. Zajac, NP's NPI number?
Amy M. Zajac, NP's National Provider Identifier (NPI) is 1629397054, issued on May 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Amy M. Zajac, NP located?
The NPPES record lists a practice address at 2 Medical Center Dr, Springfield, MA, 01107. Phone: (413) 794-8050. Providers update this record themselves, so call before visiting.
How can I verify Amy M. Zajac, NP's license?
NPPES lists Massachusetts license number 251126, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Amy M. Zajac, NP prescribe under Medicare Part D?
In 2024, Amy M. Zajac, NP had 192 Medicare Part D claims for 73 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.